tjlmann



(No Model.) .24 sheets-sheet 1.

- CT. H-YYULMANN.

GAS LAMP.

No. 359,370. Patented Mar. 15, 1887.

WIT-NESSES: l INVENTOR: @i6/2M 4i www ATTORNBYS( N. PETERS, nmwumngmph", whingm n4 c UNITED STATES PATENT OFFICE.

GUSTAVE HENRI ULMANN, OF PARIS, FRANCE.

GAS-LAM P.

SPECIFICATION forming part of Letters Patent No. 359.370, dated March 15, 1887.

Application tiled December 21, 1836. Serial No. 2222i?.

(No model.) Patented in France February 27, 1886, No. 174,457; in

England June 2l, 1886, No. 8,205; in Belgium JuncQ1,18B6,Ne. 73,549, and in Italy September, 1886, XL, 100.

To all whom it may concern.'

Be it known that I, GUsTAvE HENRI UL- MANN, at present residing in the city of Paris, France, have invented new and useful Im provements in Gas-Lamps, of which the following is a full, clear, and exact description.

This invention relates to improvements in gas-lamps; and it has for its object to provide a direct supply of air to the burners of regenerative and other gas-lamps, whereby a very white and brilliant light is obtained, the air by mixing with the gas producing a steady white light of au intensit-y not hitherto attainable with a minimum consumption of gas. The name may be either flat, circular, cylindrical, spherical, or mushroom shaped or or" other form by simply varying the form of the burner or varying the distance between the burner and the air-supply pipe above it.

Reference is to be had to the accompanying drawings, forming part of this specification.

Figure l is an elevation of the lamp. Fig. 2 is a vertical section of the same, the globe ,being omitted; Fig. V8, a vertical section at right angles to Fig. 2, Fig. 4, a top plan; Fig. 5, an under side plan of the chamber. Figs. 6 and 7 are side elevations of the lower portions ofthe lamp, showing the means for supporting and locking the globe in position.

The same letters of reference indicate the same parts in all the figures.

The gassupply pipe a passes down on either side, enters the globe at the top between the same and the regenerating-chamber, and is curved underneath the burner inside the globe or bowl b, as shown. The gas-pipe a is therefore not liable to become' overheated, and in consequence to become obstructed by particles of carbon produced by combustion, as is the case with lamps of this kind nowin use.

The burner l is mounted on a short vertical tube, a', provided with a plug, a2, at bottom to allow of cleaning out the burner when required. The base of the regenerative chamber m is surrounded by a kind of reliector, g, forming an air-chamber whose periphery is traversed by a circular slit, 7L, communicating with the outer air to admit air in contact with the globe b, to keep it cool. The regenerator m is also provided with conical tubes t, their larger ends being downward, which serve to increase the draft of the gases of combustion. These tubes become heated by the passage of the hot gases of combustion through them, and thus serve to heat the air-supply, which is brought in contact therewith before entering the conical chamber or passage lr, above the burner l.

The conical chamber or passage 7s serves to conduct the air to the burner, the said air passing into the generator through the slot n. The passage of the air and gases in reverse directions is clearly indicated by the arrows in Figs. 2 and 8. Another feature of the lamp which is essential to its efficient working consists in the means of regulating the quantity of air entering the regenerator m. For this purpose the size of the rectangular or-other shaped openings n around its periphery is regulated by an encirclingband, o, iitting upon the regenerator m and guided by the slits o', soas to uncover the openings, more or less, and held in any desired position by binding-screws p.

A lamp constructed in this manner produces a very white and perfectly steady iiame.

The globe may be formed with a bead, f', around its upper edge.

The globe is suspended in the manner shown most clearly in Figs. 6 and 7, which is the arrangement preferably adopted. rlhe globe is supported by an encircling-ring, d, on which it rests by its bead c, the ring d being jointed to a fork, el', provided with a handle, f, and pivoted at c to the regenerator m. To the 'latter is also jointed a semicircular fork, h,

provided with downwardly-extending hooked ends i, which engage with the studs k on ring d, as shown in Fig. 6, in order to hold the globe up in its closed position.

The globe is unlatched by raising fork h by its knob h until the hooks t" release th'e studs k and allow the globe to swing into the position shown in Fig. 7. By pressing on lever f the globe is raised until the studs k are engaged by the hooks i', thus locking the globe in the closed position.

Having thus described my invention, what I claim, and desire to secure by Letters Patent, 1s-

1. In a regenerating gaslamp, the combination of a cylindrical Iegeneratiiig-chamber, m, provided with air-inlets, a series of conical tubes for the escape of the products of coinbnstion, and a conical conducting chamber or pas sage in the center of the bottom of the regeneratingclianiber, an open-top globe, a supplypipe enteringr the globe at the top and between the saine and the regenerating-ehmnber, and a burner on the pipe under the air-conducting chamber or passage, substantiaily as herein shown and described.

2. In a regenerating gaslzrrnp, the combination of a cylindrical regeneratiiig-chamber, m, provided with air-inlets, a series of conical tubes for the escape of the products of comb ustion, and a conical conducting` chamber or pashk sage in the center of the bottom of the regen- L erntingclianiber, an open-top globe, asupply.- pipe entering the globe at top and between the saine and the regenerating-cliamber, a burner on the pipe under the air-conducting chamber or passage, and means for regulating the supply of air to the rcgenerati11g-chamber, substantially as herein shown and described.

3. In a regulating gas-lamp, the combination, with the body of the lamp, provided with a flange, of a fork pivotally connected to the body, a globesnpporting ring pivotally c011- neeted to the said fork and provided with studs, and hooks pivoied to said fiange for engaging the studs of the globe-supporting ring, substantially as and for the purpose set forth.

4, In a regenerating gasdamp, the combination, with the body of the lamp, of a globesupporting ring, d, provided with opposite studs lr, a fork, d, pivoted to the body and ring, and the fork h, provided with the hook ends i", for engaging the studs of the ring, substantially as herein shown and described.

'Ihe-ibregong specification ol' my improvements in gas-lamps signed by me this 3d day of November, 1886.

GUS' AVE HENRI ULMA'NN.

'W i i' n esses:

Roer. M. Hoeren, A1; mum? MoRmUK. 

